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Originally Posted by jobinjv  Why is that. Are there not good brands in this.like 3m. Please throw some light on this. Sorry if a thread exist on this topic. Didn't search |
It's not the question about brands.
Let's get this thing clear. Teflon or such products come as after-coat. In anticipation that car's shiny surface will be protected from rain, sun, bird droppings and what have you. But what happens when there are small scratches? Very light scratches means they're on protective coating. And there's no way you can remove them. A scratched painted surface can be repaired using rubbing compound/scratch remover and all. Touch up paint can be done also if need be. For Teflon (using this as a generic name here) coated painted body needs to go through a much more elaborate process.
In most part India, temperature goes up more than 35 degrees. Add to that a layer of dust and sand on the car all the time. Due to lack of time and negligence, cars are often cleaned with moist cloth and thereby nicely spreading and scratching a painted surface. In reality your paint is protected but you have fine swirl marks all over the surface. What is the point? Question can be asked as that happens on regular paint surface also. What about that? Answer to that is yes that happens. And it’s also easier to remove them through body treatment.
3M, as you mentioned offers fantastic body treatment process.
Teflon coated painted surface can also go through body treatment. But coating has to be removed completely to treat the body.
Add re-applying Teflon coat to that exercise.
It’s common feeling in India that once you go through Teflon coating your paint is protected. Right and
wrong.
These protective coatings work better in a cleaner environment. Where you have less dust, pollution and cooler climate.